Sources for a compress tool that will be built with the files including
here can be found on some GNU archives (for example prep.ai.mit.edu,
ftp.inria.fr or ftp.u-strasbrg.fr at the time of this writing) under the
name compress.tar.12; this archive untars in the current directory.
A more complete compress distribution, including atob, btoa, compressdir,
zcmp, zdiff and other tools can be found on
This copyright notice assumes that the compress package that is installed
on your system uses an algorithm that is patented by Unisys.
Unless told otherwise, you should assume that you are currently using
compress without authorization, thus violating Unisys' patent.
Unisys contact for licensing information:
Welch Patent Licensing Department; Unisys; Mail Stop C1SW19; P.O. Box
500, Blue Bell,